Essential oils loaded on polymeric nanoparticles: bioefficacy against economic and medical insect pests and risk evaluation on terrestrial and aquatic non-target organisms

This paper introduces the lethal, sublethal, and ecotoxic effects of peppermint and palmarosa essential oils (EOs) and their polymeric nanoparticles (PNs). The physicochemical analyses indicated that peppermint PNs were polydisperse (PDI > 0.4) with sizes of 381 nm and loading efficiency (LE) of...

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Published in:	Environmental science and pollution research international Vol. 29; no. 47; pp. 71412 - 71426
Main Authors:	Yeguerman, Cristhian A., Urrutia, Rodrigo I., Jesser, Emiliano N., Massiris, Manlio, Delrieux, Claudio A., Murray, Ana P., González, Jorge O. Werdin
Format:	Journal Article
Language:	English
Published:	Berlin/Heidelberg Springer Berlin Heidelberg 01-10-2022 Springer Nature B.V
Subjects:	Aquatic Pollution Artemia Atmospheric Protection/Air Quality Control/Air Pollution Culex pipiens Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Environmental science Essential oils Insect control Insects Larvae Lasioderma serricorne Nanoparticles Nontarget organisms Oils & fats Organisms Peppermint Pest control Pests Physicochemical analysis Research Article Risk assessment Shellfish Sitophilus oryzae Waste Water Technology Water Management Water Pollution Control Ecotoxicological bioassays Polymeric nanoparticles Lethal effects Bioinsecticides Essential oils Repellent and behavioral effects
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Summary:	This paper introduces the lethal, sublethal, and ecotoxic effects of peppermint and palmarosa essential oils (EOs) and their polymeric nanoparticles (PNs). The physicochemical analyses indicated that peppermint PNs were polydisperse (PDI > 0.4) with sizes of 381 nm and loading efficiency (LE) of 70.3%, whereas palmarosa PNs were monodisperse (PDI < 0.25) with sizes of 191 nm and LE of 89.7%. EOs and their PNs were evaluated on the adults of rice weevil ( Sitophilus oryzae L.) and cigarette beetle ( Lasioderma serricorne F.) and the larvae of Culex pipiens pipiens Say. On S. oryzae and L. serricorne , PNs increased EOs’ lethal activity, extended repellent effects for 84 h, and also modified behavioral variables during 24 h. Moreover, EOs and PNs generated toxic effects against C. pipiens pipiens . On the other hand, peppermint and palmarosa EOs and their PNs were not toxic to terrestrial non-target organisms, larvae of mealworm ( Tenebrio molitor L.), and nymphs of orange-spotted cockroach ( Blaptica dubia S.). In addition, PNs were slightly toxic to aquatic non-target organisms, such as brine shrimp ( Artemia salina L.). Therefore, these results show that PNs are a novel and eco-friendly formulation to control insect pests.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0944-1344 1614-7499
DOI:	10.1007/s11356-022-20848-0